DENTSPLY Vulcan Box A-130 Wartungshandbuch

Vulcan®FurnaceService ManualModels:A- - -PDA - -AA- - -ACERAMCO®

2 –6SECTION 2 - TROUBLESHOOTING - A-CONTROL2.8 WIRING DIAGRAMVLINE CORDV RECEPTACLENOTE: A - V,A LINE CORDV LINECORDWHTWHTWHTBLKBLK

3 –1SECTION 3 - ADJUSTMENT/CALIBRATION - A-CONTROL3.1 SCOPEThis section gives the procedures to be used for thecalibration and specification verificat

4 –1SECTION 4 - CIRCUIT DESCRIPTION - 3-STAGE 4.1 INTRODUCTIONThe purpose of this section is to familiarize the user orservice personnel with the cir

5 –15.1 FACTORY REPAIRDENTSPLY Ceramco maintains a factory repairdepartment for those customers not possessing thenecessary personnel or test equipmen

5 –2SECTION 5 - TROUBLESHOOTING - 3-STAGE5.3.7 FAN DRIVE (OPTIONAL ACCESSORY)The V DC fan is controlled by a FET device which isactivated by the mic

5 –35.5 ERROR CODESERR 1 MUFFLE OVER TEMPERATURE The controller monitored a temperature above°C. This could mean a faulty thermocouple (mVreading too

5 –4SECTION 5 - TROUBLESHOOTING - 3-STAGE5.6 DIAGNOSTIC TABLESFURNACE SETUP COMMON ERRORSSymptom Possible Setup ErrorDisplay blank No line voltage Pow

5 –55.6 DIAGNOSTIC TABLESPOWER SUPPLYFault Setup Check Results desiredNo DC output and no Power off Fuse <  ohmDC to U- (-V) Not shorted or

5 –6SECTION 5 - TROUBLESHOOTING - 3-STAGE5.6 DIAGNOSTIC TABLESPERIPHERAL DRIVE CIRCUITFault Setup Check Results desiredAll Y outputs N/A U-, , hig

5 –75.6 DIAGNOSTIC TABLESANALOG CIRCUITRYFault Setup Check Results desiredMuffle heats but N/A YELL TC yellow connecteddisplay shows U Gain approx.

SAFETY FIRST• Don’t bypass the power cord’s ground lead with two-wire extension cords or plug adaptors.• Don’t disconnect green/yellow safety-earth

5 –8SECTION 5 - TROUBLESHOOTING - 3-STAGE5.7 BLOCK DIAGRAMSwitchingPower SupplyZero CrossingMotor Drive-V/HzPeripheralDrive+VUUUD + RT

5 –95.8 SCHEMATICSSECTION 5 - TROUBLESHOOTING - 3-STAGEPOWER SUPPLY

5 – 10SECTION 5 - TROUBLESHOOTING - 3-STAGE5.8 SCHEMATICSTEMPERATURE CIRCUITLCD DISPLAY CIRCUIT

5 – 11A5.8 SCHEMATICSSECTION 5 - TROUBLESHOOTING - 3-STAGEMICROPROCESSOR CIRCUIT

5 – 11B5.8 SCHEMATICSSECTION 5 - TROUBLESHOOTING - 3-STAGE

5 – 12SECTION 5 - TROUBLESHOOTING - 3-STAGE, PD, A5.9 WIRING DIAGRAM

6.1 SCOPEThis section gives the procedures to be used for thecalibration and specification verification of the VULCAN.The furnace specifications are g

7.1 ORDERING INSTRUCTIONSTo order parts, select the part number required from theexploded view drawings on page .. through page ..The , , 

7.3 MUFFLE (3-550 PD & AIR EXCH)7 –2SECTION 7 - SERVICE PARTS - 3-550A & 3-550PDMUFFLE ASSY COMPLETE:(Includes muffleinsulation, and  heati

7.4 CABINET PARTS7 –3SECTION 7 - SERVICE PARTS - A-CONTROL, 3-STAGE, 3-550PDNOTE: To convert to configurations shown,  - Retrofit Kit, isavai

SECTION 1CIRCUIT DESCRIPTION A-CONTROL. INTRODUCTION ...-. CIRCUIT DESCRIPTION ...

7 –4SECTION 7 - SERVICE PARTS - A-CONTROL, 3-STAGE7.4 CABINET PARTS7.5 DOOR PARTSFAN ASSY() -A, -AFAN DUCT ASSY() -A, -

7.6 A- CONTROLLER PARTS 7 –5SECTION 7 - SERVICE PARTS - A-CONTROLCONTROL PCB (R) -V A-(R) -V A-(R) -V

7.7 3-STAGE CONTROLLER PARTS7 –6SECTION 7 - SERVICE PARTS - 3-STAGE, 3-550PDCONTROL PCB, - PD,A(R) -V(R) -VReplaced by

7.8 LIFT MECHANISM PARTS 7 –7SECTION 7 - SERVICE PARTS - 3-550PDNUT, /- HEXPIVOT ARMSCREW, - SEMBRACE()BRACKET, MOTOR LINKAGE()

8.1 CONTROL DRAWER REMOVALTOOLS:Phillips # screwdriver - To gain access to the electrical components and mostother service jobs, removal of the contr

8 –2SECTION 8 - DISASSEMBLY/REASSEMBLY - 3-STAGE8.3 MEMBRANE SWITCHTOOLS:Phillips screwdriver Knife of other sharp edged device8.3.1: Follow steps .

8.4 DISPLAY PCBTOOLS: Phillips screwdriverCAUTION!Use proper ESD grounding techniques when handlingelectronic components8.4.1: Follow steps .. th

8 –4SECTION 8 - DISASSEMBLY/REASSEMBLY - A-CONTROL8.5 A-CONTROL PCBTOOLS:Phillips screwdriver Needle nose pliers/" nut driver or wrench/&qu

8 –5SECTION 8 - DISASSEMBLY/REASSEMBLY - 3-STAGE8.6A 3 STAGE CONTROL PCB - 9493980TOOLS:Phillips screwdriver, Slotted screwdriver, Needle nose pliers

8 – 5ASECTION 8 - DISASSEMBLY/REASSEMBLY8.6B 3 STAGE CONTROL PCB – 9495232TOOLS:Phillips & Slotted Screwdrivers, Needle Nose PliersFollow steps 

1 –1SECTION 1 - CIRCUIT DESCRIPTION - A-CONTROL 1.1 INTRODUCTIONThe purpose of this section is to familiarize the user orservice personnel with the c

SECTION 8 - DISASSEMBLY/REASSEMBLY8.7 DOOR ASSEMBLY/ ADJUSTMENTTOOLS:/ Allen wrenchPhillips head screwdriverIf the door feels too stiff or too loos

8 –7SECTION 8 - DISASSEMBLY/REASSEMBLY8.8 HEATING PLATESTOOLS: Phillips head screwdriverSmall putty knifeNote: Like the headlights on a car, if one h

8 –8SECTION 8 - DISASSEMBLY/REASSEMBLY8.9 COMPLETE MUFFLE REPLACEMENTTOOLS: Phillips head screwdriver; small flat head screwdriver; needle nose pliers

 –SECTION 8 - DISASSEMBLY/REASSEMBLY8.9.11: Front panel must insert into offset bracket inwraparound8.9.12: Check muffle resistance to verify wiring

8 – 10SECTION 8 - DISASSEMBLY/REASSEMBLY8.12 COMPLETE MUFFLE REPLACEMENT TOOLS: Phillips head screwdriver; bladed screw driver; needle nose pliers8.1

8 – 11SECTION 8 - DISASSEMBLY/REASSEMBLY8.12.10: Front panel must insert into offset bracket inwraparound8.12.11: Check muffle resistance to verify wi

8.13.3: Remove the  screws which support rear panel.8.13.4: Remove screw used to secure thermocouple andpull thermocouple from muffle. Pull thermoc

8 – 13SECTION 8 - DISASSEMBLY/REASSEMBLY8.15 POWER DOOR MOTOR REPLACEMENT8.15.1: Slide control drawer forward using steps .. and ..8.15.2: Slide

Three methods of product service are available:• Telephone assistance available at the number listed below.• Return the unit for servicing using the

2 –12.1 FACTORY REPAIRDENTSPLY Ceramco maintains a factory repairdepartment for those customers not possessing thenecessary personnel or test equipmen

2 –2SECTION 2 - TROUBLESHOOTING - A-CONTROLLeaking capacitors will often have a decreased voltageacross their terminals.NOTES:________________________

2 –3SECTION 2 - TROUBLESHOOTING - A-CONTROL2.5 BLOCK DIAGRAMPower SupplyD,C,R/V/HzLineReturnCabinet+.V-.VSet Point PotRate Control

2.6 SCHEMATIC2 –4SECTION 2 - TROUBLESHOOTING - A-CONTROL

2 –5SECTION 2 - TROUBLESHOOTING - A-CONTROL2.7 CONTROL CIRCUIT BOARDRate ControlTemperature MeterConnectionTriac GateMuffleConnectionsSetpointPotentio